How GIS Has Changed Our World

Today’s map shows the incidence rate per 1,000 population of diagnosed diabetes by county for the year 2013. From the map we can see a a clearly various southern states have a higher incidence indicated by the dark shading. In contrast, we see there are lower rates of diagnosed diabetes in counties within various Western states indicated by the yellow/yellow orange shading. Interestingly, we can see a similar pattern when comparing the previous map of obesity prevalence by county for the year 2013. Why might this be?